Silver
City of Brady Water System
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
12
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-01-25 | AD19577 | ND |
| 2016-01-25 | AD19581 | ND |
| 2016-01-25 | AD19578 | ND |
| 2016-01-25 | AD19576 | ND |
| 2016-01-25 | AD19582 | ND |
| 2016-01-25 | AD19579 | ND |
| 2019-04-15 | AE62466 | ND |
| 2019-04-15 | AE62465 | ND |
| 2019-04-15 | AE62464 | ND |
| 2019-07-15 | AE74556 | ND |
| 2019-07-15 | AE74557 | ND |
| 2019-07-15 | AE74555 | ND |